Which one of the following ionic species has the greatest proton affinity to form stable compound?

Which one of the following ionic species has the greatest proton affin

1.	Which one of the following ionic species has the greatest proton affinity to form stable compound?
A.	\[C{{l}^{-}}\]
B.	\[{{F}^{-}}~\]
C.	\[~{{I}^{-}}\]
D.	\[~B{{r}^{-}}\]
Answer» C. \[~{{I}^{-}}\]

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Which one of the following ionic species has the greatest proton affinity to form stable compound?

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